Efficient ozone reaction tower

Abstract

A high-efficiency ozone reaction tower comprises a tower body, the top of the tower body is provided with a feed inlet and an ozone tail gas port, the right upper side of the side wall of the tower body is provided with a water outlet and an overflow port, the left lower side of the side wall of the tower body is provided with an ozone inlet and a backwashing gas inlet, and the right lower side of the side wall of the tower body is provided with a water inlet and an emptying port. A manhole is formed in the lower side of the side wall of the tower body; an ozone catalyst packing layer and a cobblestone cushion layer are arranged in the tower body, the ozone catalyst packing layer is arranged on the cobblestone cushion layer, and an effluent overflow weir is arranged above the ozone catalyst packing layer; an ozone inlet system, a water inlet system and a backwashing system are arranged in the cobblestone cushion layer; the efficient ozone reaction tower is also connected with an automatic pH adjusting device; the utility model aims to improve the wastewater treatment capacity and the purification effect, reduce the chromaticity of the wastewater and improve the biodegradability of the treated water.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a high-efficiency ozone reaction tower. Background Art

[0002] With the rapid development of industry, the types and amount of wastewater have increased rapidly, and the pollution of water bodies has become increasingly widespread, seriously threatening human health and safety. Since the composition of industrial wastewater is more complex and some of it is toxic, industrial wastewater treatment is more difficult and more important than urban sewage treatment.

[0003] High-concentration biodegradable organic wastewater has the following characteristics: First, the organic matter concentration is high, and the COD is generally above 2000mg / L; second, the composition of the wastewater source is complex, and the organic matter in the wastewater is mostly aromatic compounds and heterocyclic compounds, and it also contains sulfides, nitrides, heavy metals and toxic organic matter; third, the color is high, there is a peculiar smell, and some wastewater also emits a pungent odor, causing adverse effects on the surrounding environment; fourth, it has strong acidity and alkalinity. Although there are many treatment methods for this type of wastewater, there is still no treatment equipment that can take into account the advantages of high wastewater treatment efficiency, low investment cost, small footprint, and no secondary pollution, so that it can be suitable for the treatment of high-concentration biodegradable organic wastewater. Utility Model Content

[0004] In order to develop a wastewater treatment equipment that can take into account high wastewater treatment efficiency, low investment cost, no secondary pollution, etc., and further improve the treatment effect of difficult-to-biodegrade organic wastewater, the utility model provides a high-efficiency ozone reaction tower, which aims to increase the wastewater treatment capacity and purification effect, reduce the chromaticity of wastewater, and improve the biodegradability of the water obtained after treatment; the utility model is achieved through the following technical solutions:

[0005] A high-efficiency ozone reaction tower comprises a tower body, wherein a feed inlet and an ozone tail gas inlet are arranged on the top of the tower body, a water outlet and an overflow port are arranged on the upper right side of the side wall of the tower body, an ozone air inlet and a backwash air inlet are arranged on the lower left side of the side wall of the tower body, a water inlet and an emptying port are arranged on the lower right side of the side wall of the tower body, and a manhole is arranged on the lower side of the side wall of the tower body;

[0006] An ozone catalyst packing layer and a pebble cushion layer are arranged inside the tower body, the ozone catalyst packing layer is arranged on the pebble cushion layer, and a water outlet overflow weir is arranged above the ozone catalyst packing layer;

[0007] An ozone air intake system, a water inlet system and a backwashing system are arranged inside the pebble cushion layer; the ozone air intake system is connected to the ozone generator through the ozone air inlet, the water inlet system is connected to the water inlet tank through the water inlet, the water inlet tank is also connected to the acid addition tank, the backwashing system is connected to the backwashing air inlet, and the backwashing air inlet is connected to the external on-site fan; the high-efficiency ozone reaction tower is also connected to a pH automatic adjustment device.

[0008] Preferably, the feed inlet is arranged on the right side of the ozone tail gas outlet.

[0009] Preferably, the water outlet is arranged at the lower side of the overflow outlet.

[0010] Preferably, the ozone air inlet is arranged on the upper side of the backwash air inlet.

[0011] Preferably, the water inlet is arranged on the upper side of the drain outlet.

[0012] Preferably, the ozone catalyst packing layer is of SAO3-II series.

[0013] Preferably, the ozone air intake system, water intake system and backwashing system are arranged in sequence from top to bottom.

[0014] Preferably, the pebble cushion layer is paved with three layers of pebbles, and the pebble particles are laid layer by layer from small to large.

[0015] Preferably, the ozone intake system adopts microporous aeration.

[0016] Preferably, a water inlet pump is connected between the water inlet and the water inlet tank.

[0017] Beneficial effects of the utility model:

[0018] The overall device of the utility model has a simple structure and low manufacturing cost, can be mass-produced and used, and is suitable for the treatment of high-concentration organic wastewater. The biodegradability of water treated by the utility reaction tower is significantly improved, and the COD removal rate reaches 60%. At the same time, the chromaticity of the wastewater is effectively reduced. The high catalytic efficiency of ozone is utilized to increase the amount of ozone dissolved in water, thereby greatly improving the treatment capacity and purification effect of the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the water purification system of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the water purification system of the utility model.

[0021] In the figure: 1. tower body; 2. ozone air inlet; 3. backwash air inlet; 4. manhole; 5. water inlet; 6. drain outlet; 7. water outlet; 8. overflow outlet; 9. ozone tail gas outlet; 10. feed inlet; 11. water inlet tank; 12. acid adding tank; 13. ozone catalyst packing layer; 14. pebble cushion layer; 15. outlet overflow weir; 16. ozone air inlet system; 17. water inlet system; 18. backwash system; 19. ozone generator; 20. water inlet pump. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings, but the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0023] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0024] Embodiment 1:

[0025] like Figure 1 to Figure 2 As shown, a high-efficiency ozone reaction tower comprises a tower body 1, wherein firstly, a feed port 10 and an ozone tail gas port 9 are respectively arranged at the top of the tower body 1, and secondly, a water outlet 7 and an overflow port 8 are respectively arranged at the upper right side of the side wall of the tower body 1, and then an ozone air inlet 2 and a backwash air inlet 3 are respectively arranged at the lower left side of the side wall of the tower body 1, and a water inlet 5 and an emptying port 6 are arranged at the lower right side of the side wall of the tower body 1, and finally a manhole 4 is arranged at the lower side of the side wall of the tower body 1; and the feed port 10 is also required to be arranged on the right side of the ozone tail gas port 9, the water outlet 7 is arranged on the lower side of the overflow port 8, the ozone air inlet 2 is arranged on the upper side of the backwash air inlet 3, and the water inlet 5 is arranged on the upper side of the emptying port 6.

[0026] An ozone catalyst packing layer 13 and a pebble cushion layer 14 are arranged inside the tower body 1 of the water purification system, wherein the ozone catalyst packing layer 13 is arranged on the pebble cushion layer 14, and a water overflow weir 15 is arranged above the ozone catalyst packing layer 13; wherein the ozone catalyst packing layer 13 is preferably SAO3-II series, and the pebble cushion layer 14 is paved with three layers of pebbles, and the pebble particles are laid layer by layer from small to large, that is, the pebble cushion layer 14 used in the present invention is divided into an upper layer, a middle layer and a lower layer, and the pebble particles used in the upper layer are smaller than the pebble particles used in the middle layer, and the pebble particles used in the middle layer are smaller than the pebble particles used in the lower layer.

[0027] An ozone air intake system 16, a water inlet system 17 and a backwashing system 18 are also arranged inside the pebble cushion layer 14, and the ozone air intake system 16, the water inlet system 17 and the backwashing system 18 are arranged in sequence from top to bottom, and the ozone air intake system 16 adopts microporous aeration; wherein, the ozone air intake system 16 is connected to the ozone generator 19 through the ozone air inlet 2, and the water inlet system 17 is connected to the water inlet tank 11 through the water inlet 5, and according to the water volume requirement, a water inlet pump 20 can also be arranged between the water inlet 5 and the water inlet tank 11, so as to increase the water inlet flow rate; the water inlet tank 11 is also connected to the acid addition tank 12; the backwashing system 18 is connected to the backwashing air inlet 3, and the backwashing air inlet 3 is further connected to the external on-site fan; the practical high-efficiency ozone reaction tower is also connected to a pH automatic adjustment device according to production needs for real-time adjustment of the pH value in the container.

[0028] In order to better implement the present invention, the main components of the SAO3-II series ozone catalyst packing layer used in the present invention can be 60-66wt% of iron oxide, 18-22wt% of titanium dioxide, 1.0-3.0wt% of nano cerium dioxide, 8-12wt% of coal powder, and 4-6wt% of borax. The sum of the contents of the above components is 100wt%, and the components are fully mixed and uniformly mixed, and then dried and dehydrated, sintered and cooled.

[0029] For those skilled in the art, various other corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all of these changes and deformations should fall within the protection scope of the claims of the utility model.

Claims

1. A high-efficiency ozone reaction tower, comprising a tower body, characterized in that: The top of the tower body is provided with a feed inlet and an ozone tail gas inlet, the upper right side of the side wall of the tower body is provided with a water outlet and an overflow port, the lower left side of the side wall of the tower body is provided with an ozone air inlet and a backwash air inlet, the lower right side of the side wall of the tower body is provided with a water inlet and an emptying port, and the lower side of the side wall of the tower body is provided with a manhole; An ozone catalyst packing layer and a pebble cushion layer are arranged inside the tower body, the ozone catalyst packing layer is arranged on the pebble cushion layer, and a water outlet overflow weir is arranged above the ozone catalyst packing layer; An ozone air intake system, a water inlet system and a backwashing system are arranged inside the pebble cushion layer; the ozone air intake system is connected to the ozone generator through the ozone air inlet, the water inlet system is connected to the water inlet tank through the water inlet, the water inlet tank is also connected to the acid addition tank, the backwashing system is connected to the backwashing air inlet, and the backwashing air inlet is connected to the external on-site fan; the high-efficiency ozone reaction tower is also connected to a pH automatic adjustment device.

2. A high-efficiency ozone reaction tower according to claim 1, characterized in that: The feed inlet is arranged on the right side of the ozone tail gas outlet.

3. A high-efficiency ozone reaction tower according to claim 1, characterized in that: The water outlet is arranged at the lower side of the overflow outlet.

4. A high-efficiency ozone reaction tower according to claim 1, characterized in that: The ozone air inlet is arranged on the upper side of the backwash air inlet.

5. A high-efficiency ozone reaction tower according to claim 1, characterized in that: The water inlet is arranged on the upper side of the drain outlet.

6. A high-efficiency ozone reaction tower according to claim 1, characterized in that: The ozone catalyst packing layer is of SAO3-II series.

7. A high-efficiency ozone reaction tower according to claim 1, characterized in that: The ozone air intake system, water intake system and backwashing system are arranged in sequence from top to bottom.

8. A high-efficiency ozone reaction tower according to claim 1, characterized in that: The pebble cushion layer is paved with three layers of pebbles, and the pebble particles are laid layer by layer from small to large.

9. A high-efficiency ozone reaction tower according to claim 1, characterized in that: The ozone intake system adopts microporous aeration.

10. The high-efficiency ozone reaction tower according to claim 1, characterized in that: A water inlet pump is also connected between the water inlet and the water inlet tank.

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